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The National Weather Service issues a similar high wind warning (Specific Area Message Encoding code: HWW) for high winds on land. The criteria vary from place to place; however, in most cases, the warning applies to winds of 40 miles per hour (64 km/h) to 73 miles per hour (117 km/h) for at least 1 hour; or any gusts of 58 miles per hour (93 km/h) to 114 miles per hour (183 km/h) on land.
It is superseded by a tropical storm warning. [32] [51] High wind watch HWA – Strong sustained winds of 40 to 73 miles per hour (64 to 117 km/h) or greater for one hour or more, or wind gusts of 58 to 89 miles per hour (93 to 143 km/h) for any duration are expected within 12 to 48 hours. Wind speeds may pose a hazard to pedestrian and ...
What's the difference between weather warnings and watches? What is an advisory? Here are weather safety terms you need to know.
A gale watch is issued by the National Weather Service of the United States when there is an increased risk for a gale-force wind event, meaning sustained surface winds, or frequent gusts, of 34 to 47 knots (39 to 54 mph; 63 to 87 km/h), but the occurrence, location, and/or timing of the event is still uncertain.
Here's what to know about the differences between a severe weather watch or warning from the National Weather Service.
Tornado watch vs. tornado warning. ... High wind watches and warnings may also be issued and mean “sustained winds of 40 mph or higher for one hour or more and/or wind gusts of 58 mph or higher ...
A wind advisory is generally issued by the National Weather Service of the United States when there are sustained non thunderstorm winds of 31–39 miles per hour (50–63 km/h) and/or gusts of 46–57 miles per hour (74–92 km/h) over land. Winds over the said cap will trigger high wind alerts rather than a wind advisory
A gale is a strong wind; the word is typically used as a descriptor in nautical contexts. The U.S. National Weather Service defines a gale as sustained surface wind moving at a speed between 34 and 47 knots (63.0 and 87.0 km/h; 17.5 and 24.2 m/s; 39.1 and 54.1 mph). [1] Forecasters typically issue gale warnings when winds of this strength are ...